Shingle



FIG. 1 is a front elevational view of shingle showing our new design;

FIG. 2 is a side elevational view thereof.

FIG. 3 is a second embodiment of a shingle showing our new design.

FIG. 4 is a side elevational view of FIG. 3.

The rear of the shingle is plain and unornamented. 

The ornamental design for a shingle, as shown and described. 